Tag：stage
-
Time：2021-9-18
Class introduction Inherited from displayobject A shape allows you to display a vector graph in the display list. It contains a Graphics instance with all the methods for drawing vector graphics. Graphics instances can be shared among multiple shape instances, so that the same vector graphics can be copied in multiple different positions and different […]
-
Time：2021-9-13
Role of normalization By transforming the input of the hidden layer to a distribution with mean value of 0 and variance of 1, it is ensured that the input distribution of each layer will not cause excessive jitter due to the different distribution of different mini batches. It avoids that the network parameters need to […]
-
Time：2021-9-4
What is TCC? TCC is the abbreviation of try, confirm and cancel. It was first proposed by a paper entitled life beyond distributed transactions: an apostate’s opinion published by Pat helland in 2007. TCC composition TCC is divided into three stages Try phase: try to execute, complete all business checks (consistency), and reserve necessary business […]
-
Time：2021-8-31
1、 Summary After php-fpm is started, the master process will fall into a trapevent_loop(0)To manage and maintain the worker process, and the worker process out of fork will return to the main function to start cyclic receiving and processing requests. A request can be summarized into three stages: request receiving, request processing and request ending. […]
-
Time：2021-8-25
React source code analysis 17.context Video course (efficient learning): enter the course Course Directory: 1. Introduction and interview questions 2. Design concept of react 3. React source code architecture 4. Source directory structure and debugging 5. JSX & Core API 6. Legacy and concurrent mode entry functions 7. Fiber architecture 8. Render stage 9. Diff […]
-
Time：2021-8-19
problem After we execute the ALTER TABLE statement, we often face the dilemma of “running and running, and not daring to kill”. It would be much happier if we could evaluate the progress of alter table. experiment MySQL official has provided the following documents:https://dev.mysql.com/doc/ref…, let’s practice: Create a database first: We set up some with […]
-
Time：2021-8-14
Series articles： 1. Basic structure of Java program 2. Idea, maven, basic use of debugger 3. Java data type Original address:www.yuque.com/dobbykim/java-basic/… 1： Maven introduction and simple and practical MavenyesJavaOne of the most popular project building tools in the world. To put it bluntly,MavenThe main responsibility of is “package management”. There is no such thing asMavenBefore […]
-
Time：2021-8-14
React source code analysis 19. Handwritten mini version of react Video course (efficient learning): enter the course Course Directory: 1. Introduction and interview questions 2. Design concept of react 3. React source code architecture 4. Source directory structure and debugging 5. JSX & Core API 6. Legacy and concurrent mode entry functions 7. Fiber architecture […]
-
Time：2021-8-5
Controller As angular .module(‘app’, []) .controller(‘DemoController’, DemoController); function DemoController() { this.name = ‘XL’; this.sayName = function() { return this.name; } } <div ng-controller=’DemoController as vm’> {{vm.name}} </div> When writing the controller in the JS part, it is more like writing the constructor, and thenView layeritem base ViewModule。 So inviewYou can directly call the properties and […]
-
Time：2021-7-24
When doing front-end development, we often need to do various interactions, such as mouse click / double click / slide events, keyboard events, etc. These are DOM events. First, let’s look at a concept called DOM event flow. DOM event flow Event flow: the sequence in which events are triggered between the target element and […]
-
Time：2021-7-24
Summary:For mongodb’s multi key query, creating a composite index can effectively improve performance. What is a composite index? Composite index, i.eCompound Index, which means that multiple keys are combined to create an index, which can speed up queries that match multiple keys. You might as well understand a composite index through a simple example. The […]
-
Time：2021-7-22
mlflow model registry What is it? How to operate What is it? This paper is based on mlflow version 1.11.0just asOfficial websiteWhat I said: The MLflow Model Registry component is a centralized model store, set of APIs, and UI, to collaboratively manage the full lifecycle of an MLflow Model. It provides model lineage (which MLflow […]
